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$629+ Cheap flights from Trieste (TRS) to Chicago (CHI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — CHI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Trieste to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$629
(ITA Airways)
From Trieste Ronchi dei Legionari to Chicago (CHI)
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Find flight deals from Trieste to Chicago

Cheapest flights from Trieste to Chicago
Explore the most affordable flight options available from Trieste to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This ITA Airways deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:35 amTRS - ORD
1 stop13h 35mITA Airways
Sun 9/283:00 pmORD - TRS
1 stop16h 30mITA Airways
Deal found 7/1$629
This Lufthansa deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:25 amTRS - ORD
1 stop13h 45mLufthansa
Mon 11/243:20 pmORD - TRS
1 stop15h 45mLufthansa
Deal found 6/30$674
This Expedia deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:35 amTRS - ORD
2 stops18h 05mKLM
Wed 7/232:00 pmORD - TRS
2 stops21h 30mKLM
Deal found 7/3$804
This Expedia deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/163:15 pmTRS - ORD
2 stops29h 55mMultiple Airlines
Sun 7/205:10 pmORD - TRS
2 stops22h 45mMultiple Airlines
Deal found 7/1$1,026

Cheapflights Fare Finder

Customize your flight search to find flights from Trieste to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Trieste to Chicago that are best for you.

Fly from

Trieste

Fly to

Chicago

Route

Depart

Return

Price

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 9/20

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Sun 9/28

3:00 pm-2:30 pm

1 stop16h 30m

$629

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 9/20

6:30 am-2:05 pm

2 stops14h 35m

Chicago O'Hare Intl

Sun 9/28

9:40 pm-10:35 pm

2 stops17h 55m

$751

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 7/16

3:15 pm-2:10 pm

2 stops29h 55m

Chicago O'Hare Intl

Sun 7/20

5:10 pm-10:55 pm

2 stops22h 45m

$1,026

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sun 7/27

6:35 am-1:10 pm

1 stop13h 35m

$852

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sun 7/27

6:35 am-9:40 am

2 stops34h 05m

$1,293

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Tue 8/5

6:30 am-7:55 pm

1 stop20h 25m

$1,553

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Tue 8/5

6:30 am-4:52 pm

2 stops17h 22m

$1,558

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Trieste to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Trieste with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trieste to Chicago

What is the cheapest month to book a flight from Trieste to Chicago?

Currently, August is the cheapest month in which you can book a flight from Trieste to Chicago (average of $245). Flying from Trieste to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated July 3, 2025.
See what other customers who have flown with KLM, Turkish Airlines, and Lufthansa from Trieste to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,367 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,895 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,207 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
ITA Airways
6.7
Okay
1,000 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trieste to Chicago?

    For a flight from Trieste to Chicago, you will be flying from Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city. Ronchi dei Legionari is the only Trieste airport and it handles 0 outbound flights to Chicago per day. 0 airlines have flights to Chicago from Trieste Ronchi dei Legionari on a regular basis.

  • What are the cheapest airlines flying from Trieste to Chicago round-trip?

    Flying on ITA Airways is currently your cheapest option to Chicago, with prices starting at $629. Additional round-trip tickets that might be worth considering are offered by Lufthansa and KLM, with the lowest prices starting at $674 and $804, respectively.

  • What are the cheapest airlines to fly from Trieste to Chicago one-way?

    To fly one-way, consider booking your trip with ITA Airways, which is currently one of the cheapest options available, starting at $852. Turkish Airlines flights start at $1,293 while deals on Lufthansa start at $1,553 one-way.

  • Can I find deals for flights from Trieste to Chicago that include hotel bookings?

    Yes. In addition to deals on Trieste to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Chicago.

  • Can I find deals for business class flights from Trieste to Chicago?

    Yes. Cheapflights offers flight deals from Trieste to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Trieste to Chicago (average of $245). Flying from Trieste to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

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